87 GN running ruff and rich

Asked by May 10, 2013 at 07:50 AM about the 1987 Buick Grand National

Question type: Maintenance & Repair

Ran my GN at the track went through the lights,let off to hit the return lane and there was no throtle response from idol to about three quarters throtle.Limped it home and started checking it over.Thought it was the MAF so I changed to a LT1 with a translator and it ran better but idols ruff and rich with water blowing out the exhaut.No taste to the water.Any ideas?Thanks

2 Answers

did you get any OBD trouble codes you could put a paw on? suspect the EGR valve, always suspect the EGR valve but an out of California car may not have one--

1 of 1 people found this helpful.

you could get your own OBD-II scanner for under fifteen bucks-

Your Answer

Add photo

Related Questions

Search Buick Grand National Questions

Buick Grand National Experts

#1 Joey Warren
Joey Warren
Reputation 130
#2 spideybee
spideybee
Reputation 90
#2 kenet12
kenet12
Reputation 90
View All

Related Models For Sale

Used Buick Regal
116 Great Deals out of 10,863 listings starting at $3,995
Used Chevrolet Camaro
226 Great Deals out of 30,943 listings starting at $1,217
Used Ford Mustang
470 Great Deals out of 45,735 listings starting at $1,999
Used Chevrolet Monte Carlo
21 Great Deals out of 1,408 listings starting at $1,995
Used Dodge Charger
405 Great Deals out of 28,172 listings starting at $1,988
Used Chevrolet Corvette
119 Great Deals out of 20,753 listings starting at $3,000
Used Pontiac Firebird
12 Great Deals out of 724 listings starting at $3,990
Used Buick Skylark
95 listings
Used Chevrolet Nova
146 listings
Used Ford F-150
2,194 Great Deals out of 206,316 listings starting at $1,499

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.